Datasheet

Table Of Contents
dsPIC30F6011A/6012A/6013A/6014A
DS70143E-page 208 © 2011 Microchip Technology Inc.
TABLE 23-38: 12-BIT ADC MODULE SPECIFICATIONS
AC CHARACTERISTICS
Standard Operating Conditions: 2.7V to 5.5V
(unless otherwise stated)
Operating temperature -40°C TA +85°C for Industrial
-40°C TA +125°C for Extended
Param
No.
Symbol Characteristic Min. Typ Max. Units Conditions
Device Supply
AD01 AV
DD Module VDD Supply Greater of
VDD - 0.3
or 2.7
Lesser of
VDD + 0.3
or 5.5
V
AD02 AVSS Module VSS Supply VSS - 0.3 VSS + 0.3 V
Reference Inputs
AD05 V
REFH Reference Voltage High AVSS + 2.7 AVDD V
AD06 V
REFL Reference Voltage Low AVSS —AVDD - 2.7 V
AD07 V
REF Absolute Reference
Voltage
AVSS - 0.3 AVDD + 0.3 V
AD08 IREF Current Drain 150
.001
200
1
μA
μA
operating
off
Analog Input
AD10 V
INH-VINL Full-Scale Input Span VREFL —VREFH V See Note
AD11 V
IN Absolute Input Voltage AVSS - 0.3 AVDD + 0.3 V
AD12 Leakage Current ±0.001 ±0.610 μAVINL = AVSS = VREFL =
0V, AVDD = VREFH = 5V
Source Impedance =
2.5 KΩ
AD13 Leakage Current ±0.001 ±0.610 μAVINL = AVSS = VREFL =
0V, AVDD = VREFH = 3V
Source Impedance =
2.5 KΩ
AD15 RSS Switch Resistance 3.2K Ω
AD16 CSAMPLE Sample Capacitor 18 pF
AD17 R
IN Recommended Impedance
of Analog Voltage Source
2.5K Ω
DC Accuracy
AD20 Nr Resolution 12 data bits bits
AD21 INL Integral Nonlinearity
(3)
——<±1LSbVINL = AVSS = VREFL =
0V, AV
DD = VREFH = 5V
AD21A INL Integral Nonlinearity
(3)
——<±1LSbVINL = AVSS = VREFL =
0V, AV
DD = VREFH = 3V
AD22 DNL Differential Nonlinearity
(3)
——<±1LSbVINL = AVSS = VREFL =
0V, AVDD = VREFH = 5V
AD22A DNL Differential Nonlinearity
(3)
——<±1LSbVINL = AVSS = VREFL =
0V, AV
DD = VREFH = 3V
AD23 G
ERR Gain Error
(3)
+1.25 +1.5 +3 LSb VINL = AVSS = VREFL =
0V, AV
DD = VREFH = 5V
Note 1: The ADC conversion result never decreases with an increase in the input voltage, and has no missing
codes.
2: Parameters are characterized but not tested. Use as design guidance only.
3: Measurements taken with external V
REF+ and VREF- used as the ADC voltage references.